Direct current superconducting power transmission cable and system
First Claim
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1. A superconducting power transmission cable comprising:
- a first pipe encasing a superconducting member therein; and
a second pipe disposed externally of said first pipe;
said first pipe being vacuum adiabatically insulated from said second pipe;
said cable further comprising at least a support member between said first and second pipes for supporting said first and second pipes in a radial direction.
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Abstract
A power transmission cable with easy laying, reduced heat invasion and enhanced efficiency. The cable comprises an inner pipe 105 encasing a refrigerant passage 101, a superconducting member 102 and an electrically insulating portion 103; an outer pipe 106; a vacuum adiabatic insulating section 104 between the inner and outer pipes; an inner pipe support ring disposed between the inner and outer pipes so that it is slidable along the outer side of the inner pipe; an outer pipe support ring fixed to the inner side of the outer pipe; and a support member which is disposed between the inner and outer pipe support rings.
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Citations
30 Claims
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1. A superconducting power transmission cable comprising:
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a first pipe encasing a superconducting member therein; and a second pipe disposed externally of said first pipe; said first pipe being vacuum adiabatically insulated from said second pipe; said cable further comprising at least a support member between said first and second pipes for supporting said first and second pipes in a radial direction. - View Dependent Claims (3, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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2. A superconducting power transmission cable comprising:
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a first pipe encasing a superconducting member therein; and a second pipe disposed externally of said first pipe; said cable having a vacuum adiabatic insulating section between said first and second pipes; said cable further comprising; a first pipe support ring between said first and second pipes, which abuts on the outer wall of said first pipe; a second pipe support ring between said first and second pipe, which is adapted into the inner wall of said second pipe; and a support member disposed between said first and second pipe support rings. - View Dependent Claims (4, 5, 6, 7, 8, 10)
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Specification